General

General

  1. All Categories
  2. Structures - General
  3. How are the displacement constraints (D commands) in .CBDO file related to PRNSOL displacements at the CUTBOUNDARY nodes if the nodes are coincident (at cutboundary) in the coarse and the Submodel ? i.e. What is the logic of Interpolation of DOF values at these coincident nodes between the coarse and finer submodel?

How are the displacement constraints (D commands) in .CBDO file related to PRNSOL displacements at the CUTBOUNDARY nodes if the nodes are coincident (at cutboundary) in the coarse and the Submodel ? i.e. What is the logic of Interpolation of DOF values at these coincident nodes between the coarse and finer submodel?

Tagged: 13, analysis-techniques, General, Mechanical APDL (f. ANSYS), structural-mechanics, submodeling
    • August 25, 2023 at 12:16 pm
      SolutionSolution
      Participant

      Solution: In CBDOF command ANSYS first issues NMODIF commands (solid-shell submodel) and then issues D commands. The point to note here is that the D commands are in these rotated nodal CS and not in global CS. However the final results (PRNSOL) are reported in global CS. Thus to compare the D values in CBDOF and in PRNSOL, one has to apply rotational transformation to get them in same CS. ANSYS follows standard Transformation laws here. Please see attached DOC&PDF file for details. ——————————–

      Attachments:
      1. 2014556.zip

Featured Articles

Introducing Ansys Electronics Desktop on Ansys Cloud

The Watch & Learn video article provides an overview of cloud computing from Electronics Desktop and details the product licenses and subscriptions to ANSYS Cloud Service that are...

How to Create a Reflector for a Center High-Mounted Stop Lamp (CHMSL)

This video article demonstrates how to create a reflector for a center high-mounted stop lamp. Optical Part design in Ansys SPEOS enables the design and validation of multiple...

Introducing the GEKO Turbulence Model in Ansys Fluent

The GEKO (GEneralized K-Omega) turbulence model offers a flexible, robust, general-purpose approach to RANS turbulence modeling. Introducing 2 videos: Part 1 provides background information on the model and a...

Postprocessing on Ansys EnSight

This video demonstrates exporting data from Fluent in EnSight Case Gold format, and it reviews the basic postprocessing capabilities of EnSight.

© 2025 Copyright ANSYS, Inc. All rights reserved.